28930653025 has 12 divisors (see below), whose sum is σ = 37111045500. Its totient is φ = 22346434880.

The previous prime is 28930652987. The next prime is 28930653043. The reversal of 28930653025 is 52035603982.

It can be written as a sum of positive squares in 6 ways, for example, as 885122001 + 28045531024 = 29751^2 + 167468^2 .

It is not a de Polignac number, because 28930653025 - 2⁷ = 28930652897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19951450 + ... + 19952899.

It is an arithmetic number, because the mean of its divisors is an integer number (3092587125).

Almost surely, 2^28930653025 is an apocalyptic number.

28930653025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28930653025 is a deficient number, since it is larger than the sum of its proper divisors (8180392475).

28930653025 is a wasteful number, since it uses less digits than its factorization.

28930653025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39904388 (or 39904383 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 28930653025 in words is "twenty-eight billion, nine hundred thirty million, six hundred fifty-three thousand, twenty-five".